package enum01;

import org.junit.Test;

public class WeekDemo {
    @Test
    public void testMethod(){
        //Week week = new Week();
        // Week.monday = null ;如果没有final关键字，可以吧星期一赋值为null

        System.out.println(Week.MONDAY);
        // enum01.Week@2eee9593

    }
}
